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Gentoo's Bugzilla – Attachment 389280 Details for
Bug 528690
app-emulation/xen-tools-4.4.1-r3 - xl: segmentation fault in execute_stack_op() at .../work/gcc-4.8.3/libgcc/unwind-dw2.c:516
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gdb backtrace log
xen_log.txt (text/plain), 3.99 KB, created by
Yixun Lan
on 2014-11-14 06:54:12 UTC
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Description:
gdb backtrace log
Filename:
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Creator:
Yixun Lan
Created:
2014-11-14 06:54:12 UTC
Size:
3.99 KB
patch
obsolete
>Find the GDB manual and other documentation resources online at: ><http://www.gnu.org/software/gdb/documentation/>. >For help, type "help". >Type "apropos word" to search for commands related to "word"... >Reading symbols from xl...done. >(gdb) run >Starting program: /usr/sbin/xl create gent2014.harden.hvm >warning: Cannot call inferior functions, Linux kernel PaX protection forbids return to non-executable pages! >warning: Could not load shared library symbols for linux-vdso.so.1. >Do you need "set solib-search-path" or "set sysroot"? >[Thread debugging using libthread_db enabled] >Using host libthread_db library "/lib64/libthread_db.so.1". >Parsing config from gent2014.harden.hvm >xc: info: VIRTUAL MEMORY ARRANGEMENT: > Loader: 0000000000100000->00000000001a0a28 > Modules: 0000000000000000->0000000000000000 > TOTAL: 0000000000000000->000000003f000000 > ENTRY ADDRESS: 0000000000100000 >xc: info: PHYSICAL MEMORY ALLOCATION: > 4KB PAGES: 0x0000000000000200 > 2MB PAGES: 0x00000000000001f7 > 1GB PAGES: 0x0000000000000000 >[New Thread 0x7c6687bdb700 (LWP 14357)] >Daemon running with PID 14471 > >Program received signal SIGSEGV, Segmentation fault. >[Switching to Thread 0x7c6687bdb700 (LWP 14357)] >0x00007c6685492854 in execute_stack_op (op_ptr=0x7c6686f147cb "w\240\001\006\020\b\002w(\020\t\002w0\020\n\002w8\020\v\003w\300", > op_end=0x7c6686f147cf "\020\b\002w(\020\t\002w0\020\n\002w8\020\v\003w\300", context=context@entry=0x7c6687bda190, initial=initial@entry=0) > at /var/tmp/portage/sys-devel/gcc-4.8.3/work/gcc-4.8.3/libgcc/unwind-dw2.c:516 >516 /var/tmp/portage/sys-devel/gcc-4.8.3/work/gcc-4.8.3/libgcc/unwind-dw2.c: No such file or directory. >(gdb) backtrace >#0 0x00007c6685492854 in execute_stack_op (op_ptr=0x7c6686f147cb "w\240\001\006\020\b\002w(\020\t\002w0\020\n\002w8\020\v\003w\300", > op_end=0x7c6686f147cf "\020\b\002w(\020\t\002w0\020\n\002w8\020\v\003w\300", context=context@entry=0x7c6687bda190, initial=initial@entry=0) > at /var/tmp/portage/sys-devel/gcc-4.8.3/work/gcc-4.8.3/libgcc/unwind-dw2.c:516 >#1 0x00007c66854932b4 in uw_update_context_1 (context=context@entry=0x7c6687bda5a0, fs=fs@entry=0x7c6687bda2f0) > at /var/tmp/portage/sys-devel/gcc-4.8.3/work/gcc-4.8.3/libgcc/unwind-dw2.c:1424 >#2 0x00007c6685493635 in uw_update_context (context=context@entry=0x7c6687bda5a0, fs=fs@entry=0x7c6687bda2f0) > at /var/tmp/portage/sys-devel/gcc-4.8.3/work/gcc-4.8.3/libgcc/unwind-dw2.c:1506 >#3 0x00007c66854943e6 in uw_advance_context (fs=0x7c6687bda2f0, context=0x7c6687bda5a0) > at /var/tmp/portage/sys-devel/gcc-4.8.3/work/gcc-4.8.3/libgcc/unwind-dw2.c:1529 >#4 _Unwind_ForcedUnwind_Phase2 (exc=exc@entry=0x7c6687bdbd70, context=context@entry=0x7c6687bda5a0) > at /var/tmp/portage/sys-devel/gcc-4.8.3/work/gcc-4.8.3/libgcc/unwind.inc:185 >#5 0x00007c6685494770 in _Unwind_ForcedUnwind (exc=0x7c6687bdbd70, stop=stop@entry=0x7c6686f0cbd0 <unwind_stop>, stop_argument=<optimized out>) > at /var/tmp/portage/sys-devel/gcc-4.8.3/work/gcc-4.8.3/libgcc/unwind.inc:207 >#6 0x00007c6686f0cd60 in __GI___pthread_unwind (buf=<optimized out>) at unwind.c:129 >#7 0x00007c6686f04aab in __do_cancel () at ../nptl/pthreadP.h:280 >#8 sigcancel_handler (sig=<optimized out>, si=<optimized out>, ctx=<optimized out>) at nptl-init.c:214 >#9 sigcancel_handler (sig=<optimized out>, si=<optimized out>, ctx=<optimized out>) at nptl-init.c:173 >#10 <signal handler called> >#11 0x00007c6686f0d43d in read () at ../sysdeps/unix/syscall-template.S:81 >#12 0x00007c66867244e7 in read (__nbytes=16, __buf=0x7c66800008d0, __fd=6) at /usr/include/bits/unistd.h:44 >#13 read_all (fd=6, data=0x7c66800008d0, data@entry=0x20, len=len@entry=16, nonblocking=nonblocking@entry=0) at xs.c:374 >#14 0x00007c6686724616 in read_message (h=h@entry=0xebe345f9c50, nonblocking=nonblocking@entry=0) at xs.c:1139 >#15 0x00007c6686724ffe in read_thread (arg=0xebe345f9c50) at xs.c:1211 >#16 0x00007c6686f0623a in start_thread (arg=0x7c6687bdb700) at pthread_create.c:309 >#17 0x00007c6686c4522d in clone () at ../sysdeps/unix/sysv/linux/x86_64/clone.S:111 >(gdb) quit >
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bug 528690
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